2219128451580 has 96 divisors (see below), whose sum is σ = 6639421884480. Its totient is φ = 551847997440.

The previous prime is 2219128451557. The next prime is 2219128451611. The reversal of 2219128451580 is 851548219122.

It is a super-2 number, since 2×2219128451580² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9868711 + ... + 10091070.

It is an arithmetic number, because the mean of its divisors is an integer number (69160644630).

Almost surely, 2^{2219128451580} is an apocalyptic number.

2219128451580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2219128451580 is an abundant number, since it is smaller than the sum of its proper divisors (4420293432900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2219128451580 is a wasteful number, since it uses less digits than its factorization.

2219128451580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959919 (or 19959917 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 2219128451580 in words is "two trillion, two hundred nineteen billion, one hundred twenty-eight million, four hundred fifty-one thousand, five hundred eighty".